var stack [depth]*node
		tos := -1

		// There are two write barriers per iteration, so i+=2.
		for i := 0; i < b.N; i += 2 {
			if tos == -1 {
				stack[0] = root
				tos = 0
			}

			// Perform one step of reversing the tree.
			n := stack[tos]
			if n.l == nil {
				tos--
			} else {
				n.l, n.r = n.r, n.l
				stack[tos] = n.l
				stack[tos+1] = n.r
				tos++
			}

	s = append(s, blockAndIndex{b: f.Entry})
	seen[f.Entry.ID] = true
	for len(s) > 0 {
		tos := len(s) - 1
		x := s[tos]
		b := x.b
		if i := x.index; i < len(b.Succs) {
			s[tos].index++
			bb := b.Succs[i].Block()
			if !seen[bb.ID] {
				seen[bb.ID] = true
				s = append(s, blockAndIndex{b: bb})
			}
			continue
		}
		s = s[:tos]
		if ponums != nil {
			ponums[b.ID] = int32(len(order))
		}

	_RFCNAMEG = 1 << 10
	_RFCENVG  = 1 << 11
	_RFCFDG   = 1 << 12
	_RFREND   = 1 << 13
	_RFNOMNT  = 1 << 14
)

// notify
const (
	_NCONT = 0
	_NDFLT = 1
)

type uinptr _Plink

type tos struct {
	prof struct { // Per process profiling
		pp    *_Plink // known to be 0(ptr)
		next  *_Plink // known to be 4(ptr)
		last  *_Plink
		first *_Plink
		pid   uint32
		what  uint32
	}

	reg := registry.New()
	// Set up a fake registry for OCI images.
	tos := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
		atomic.AddInt32(&tsNumRequest, 1)
		reg.ServeHTTP(w, r)
	}))
	defer tos.Close()
	ou, err := url.Parse(tos.URL)
	if err != nil {
		t.Fatal(err)
	}

	dockerImageDigest, invalidOCIImageDigest := setupOCIRegistry(t, ou.Host)

					errorf("use of %s before its definition", less)
				} else {
					g.AddEdge(def, less)
				}
			}
		}
	}

	// Check for missing definition.
	for _, tos := range g.edges {
		for to := range tos {
			if g.edges[to] == nil {
				errorf("missing definition for %s", to)
			}
		}
	}

	// Complete transitive closure.
	for _, k := range g.Nodes {
		for _, i := range g.Nodes {

		"go_mem.html",
		"go_spec.html",
		"help.html",
		"ie.css",
		"install-source.html",
		"install.html",
		"logo-153x55.png",
		"Makefile",
		"root.html",
		"share.png",
		"sieve.gif",
		"tos.html",
		"articles",
	}
	if len(children) != 32 {
		panic("bad len")
	}
	for _, n := range []int{2, 4, 8, 16, 32} {
		list := children[:n]
		b.Run(fmt.Sprintf("n=%d", n), func(b *testing.B) {

        return buf.toString();
    }

    protected void sendToGoogleChat(final CardView cardView, final SMailPostingDiscloser discloser) {
        // https://developers.google.com/hangouts/chat/how-tos/webhooks
        final FessConfig fessConfig = ComponentUtil.getFessConfig();
        final String googleChatWebhookUrls = fessConfig.getGoogleChatWebhookUrls();
        if (StringUtil.isBlank(googleChatWebhookUrls)) {

//
// gcWriteBarrier does NOT follow the Go ABI. It accepts the
// number of bytes of buffer needed as a wasm argument
// (put on the TOS by the caller, lives in local R0 in this body)
// and returns a pointer to the buffer space as a wasm result
// (left on the TOS in this body, appears on the wasm stack
// in the caller).
TEXT gcWriteBarrier<>(SB), NOSPLIT, $0
	Loop
		// R3 = g.m
		MOVD g_m(g), R3
		// R4 = p

	MOVL	SP, AX
	MOVL	AX, (g_stack+stack_hi)(DX)
	SUBL	$(64*1024), AX		// stack size
	MOVL	AX, (g_stack+stack_lo)(DX)
	MOVL	AX, g_stackguard0(DX)
	MOVL	AX, g_stackguard1(DX)

	// Initialize procid from TOS struct.
	MOVL	_tos(SB), AX
	MOVL	48(AX), AX
	MOVL	AX, m_procid(CX)	// save pid as m->procid

	// Finally, initialize g.
	get_tls(BX)
	MOVL	DX, g(BX)

	CALL	runtime·stackcheck(SB)	// smashes AX, CX

	MOVQ	SP, AX
	MOVQ	AX, (g_stack+stack_hi)(DX)
	SUBQ	$(64*1024), AX		// stack size
	MOVQ	AX, (g_stack+stack_lo)(DX)
	MOVQ	AX, g_stackguard0(DX)
	MOVQ	AX, g_stackguard1(DX)

	// Initialize procid from TOS struct.
	MOVQ	_tos(SB), AX
	MOVL	64(AX), AX
	MOVQ	AX, m_procid(CX)	// save pid as m->procid

	// Finally, initialize g.
	get_tls(BX)
	MOVQ	DX, g(BX)

	CALL	runtime·stackcheck(SB)	// smashes AX, CX